Interchangeable platen for type-writers.



D. P. MOORE. INTEROHANGBABIIEPLATEN POR TYPE WRITERS.

' APPLICATION {1mm 13.12.30} 1909. 989,879, Patented Jan.3,1911.

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APPLICATION rmm MAR. 30, 1909.

v Patentd Jan, 3, 1911.

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APPLICATION FILED MAR. 30, 1909.

Patented Jan. 3, 1911.

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4 SHEETS-SHEET 4.

980,879. Patented Jam-8,1911.

IVII L'VESSES IN VENT OR UNITED STATES PATENT OFFICE.

DAVID PELTON MOORE, OF WASHINGTON, DISTRICT OF COLUMBIA, ASSIGNOB TO 7UNION TYPEWRITER COMPANY, OF IIlION, NEW YORK, A CORPORATION OF NEWYORK.

INTERCHANGEABLE PLATEN FOB TYPE-WRITERS.

Specification of Letters Patent.

Patented Jan. 3, 1911.

;To all whom it may concern:

Be it known that 1, DAVID PELTON Moonn, a citizen of the United States,residing at Washington, in the District of Columbia, have inventedcertain new and ua ful Improvements in Interchangeable Platens for'Type-Vriters, of which the following specification, reference being hadthereinv to the accompanying drawing. My present invention relates to an'im-. proved interchangeable platen for typewriters, the particularinvention making it possible to quickly, interchange a rotatable \platenwith a platen capable only of two 15 movements toward and away from typepresentation position and .vice versa, t e said last mentioned platenbeing adapted for use as a laundry marking or card printing platen. Inapplying said invention to a typewriting machine such as-the RemingtonNo. 10, or in fact any type of visible machine, I discovered that tomake the invention practical, the tilting platen must be interchangeablewith the 'ordinar platen, as now used; and this particular constructionis the outcome of ex' eriments to accomplish this result, it being.emonstrated in practice that the change from the writing platen to thetilting platen or vice versa, can be accomplished byunskilled persons inless than one minute. In this instance, I provide a segmental platen.having aforward or oscillating move and rearward tilting ment, and aclamplng device operated" to clam the article to the platen upon the.forwar movement, and to release 'upon the rearward movement-of the.laten. I To clearly set forth the eatures of interchangeability of theplatens, attention is ,invited to which Figure 1 is a top plan view of atypewriting machine with the platen removed. Fig.

2 15 a side elevation of the carriage with the ordinary writing platenin position, one of the knobs being removed. Fig. 3 1s a 51mllar viewwith the marking platen in position. Figs. 4,5 and 6 are detail views ofthey removable boxes of the writing platen. Fig. 7 is a top plan view ofthe marking platen with a cufi" in marking position, said cuff bein indotted lines. Figs. 8, 9- and' 10, are detai views of the left-handremovable box of the marking platen. Fig. 11 is a cross seiztion throughsaid platen illustrating the is athereof.

writing the accompanying drawings, in-

- operation of the clamp, and F i 12 is a detail perspective of the idepate, its su port and the guard r F i 13 is a si e elevation of. thewriting p at'en removed with thespacing'lever in o erative position.Fig. 14 is a top plan uiew t ereof, the platen being broken away toshorten the same, and Fig. 15 is a bottom plan view of one end Referringto the drawin s:-The numeral 1 designates the frame of t e machine, and2 the transverse rod operated upon by the shifting mechanism. Thecarriage 4' is mounted to travel transversely in both directions, and isprovided with the enlargements 5, which dependfrom the sides 6, of thecarria e and are provided with the alined soc ets or receptacles 7, forthe removable reception ofthewriting platens removable boxes 8 or themarking platens removable boxes 9. To the rear of these en ar ements and:upon the upper portion of t e carriage, provide the cleats 10, whileupon the opposite side of the enlar ements, I provide the adjustable andsli ably mounted clamps 11, the purpose of which will presently appear.I

By re erring to Figs. 4 and 5, it will be seen that each ofthe removableboxes 8, com sists of thesupport12, whose rear end is provided withthehook '13, which'removably enga es'one of the cleats 10, while theforward en 14; is reduced to fit between the reduced end of a clamplland the upper face" of the cleat' 10- and clamp ll',the boxes 8 areremovably mounted within the carriage. To insure the proper shiftmovement of the platen within the carriage, the'support 12 has dependingtherefrom and carried thereby, the elliptical frame 15, provided withthe elliptical opening 16, in which the shaft 17 of theplaten is alloweda rise and fall, to shift the platen, the adjustable stop 17 carried bythe support 12 limitin the 'u 'ward movement of the platen,wh1l e the ajustable stop ing through the aperture 19 for'me in the lower portion ofthe frame 15, limits the downward movement of the platen. Also carriedby the support and pro ecting downwardly upon the inner rear sidethereof, is the arm or plate 20, in whose lower end. is journaled as at21, the angled end 22, of the I platenguiding rod 23, whichis journaledby carriage frame, and that by means of this 18 carried by theenlargement 5, and project- 1 means of the lugs or arms 23 to the frame24 of the platen, the short levers 23, being piv otedto the boxes also,and thereby allows the complete Writing platen to be removed from 5 thecarriage when the boxes 8 are removed.

y In order to complete the removability of the writing platen andits'frame, the rod 25 of the spacing mechanism 26, is detachablyconnected as at 27 to the'operating lever 28.

This much constitutes the writing platen mechanism, and it will be seenthat to remove the same from the carriage frame, it is simply necessaryto detach the rod 25, release the clamps 11, and raise the platen by theknobs, iving the supports or boxes 8 a slight rear ti ting movement.

The marking attachment, which it is now desired to install, is providedwith the boxes 9, asclearly shown in Figs. 8, 9 and 10, and eachconsists primarily of the support 29, having the rear hook 30. Thesehooks removably engage the cleats 10 of the frame, while the forwardends 31- are engaged by 1 the clamps 11 Carried by these supports 29 andadapted to fit snugly within the sockets of theenlargements 5, are thelugs '32, and formed in these lugs are openings 33,- whosewalls'constitute bearings for the shaft 35, of the platen 35, which ispreferried upon both ends of the shaft 35, are the operating handleswhile uponone end. between the handle and the boxing is keyed theretarding-ratchet wheel 36, which is engaged by the spring detent orpawl 37 L carried by the boxing. Upon-the underside j: .of each lug isprovided the socket 38, which fits over and receives one of the loweradjusting stops 1.8, when the lugs are fitted and held within thesockets of the enlarge ments 5. The marking platen is not connected withthe case sh fting mechanism, as it is only desired to present the uppercase, or capitals and numbers, to the material to be marked, andtherefore the shaft remains in the samerelative posit-ion to its boxingsand the carriage. Upon the inner faces of I the boxings 9', I adjustablyattach the disks 39, which are provided with the cam slots 40, in whichfit and .slide the terminals of the. studs or pins 41, which projectfrom and are carried by the arms 42. These arms 42 are provided with theelongated openings 43, which slidably fit upon the shaft 35 next to theplaten supporting plates 44, and carried by these arms and also opposingthe flat face 45 of the platen, is the clamping plate 46, which is alsoslidably connected to said face 45 by means of the screw and slotconnection 47. By this means it will :be seen that as the platen istilted fearwai dly, the pins 41 moving in the cam slots 40, will causethe arms 42 to move outwardly and thus cause the clamping plate to slidein the same direction, so that its ably made segmental in cross section.Carseams clamping right-angled lip 46 will move 7 away from the platenand thereby provide a receptacle for the article to be marked. After thearticle is inserted in said receptacle, the platen is moved forwardly,the cam slots 40 operating upon said pins 41 to move the v markingvarious thicknesses or plies of articles, if made by using' a base orlayer of sponge rubber 49, carrying an outer face of hard or vulcanizedrubber 50. By this means the sponge rubber can be depressed, and deadensor reduces the noise of striking type, While the rubber 50, offers agood writing support for either stiff or soft ma terials, an thusinsures even printing.

As shown in Fig. 12, I provide the brackets 51, each one of which hasthe short forward arm 52 and the long rearward arm 53, the short armsbeing connected together by means of the guard rod 54, which assists inholding the article to be marked when still", snugly against the platenso as tojinsure an even impression ofthe type. The long arms areconnected together by means of the rod 55, to which is removablyconnected the material uide plate 56. These brackets are removalilysecured to and carried by the boxing 9, by means of the set screws 57which fit in the threaded sockets 58, of the boxings 9. y

lVhat I claim, as new, is

1. The combination with a platen, and its shaft, capable of a tilting orrotary movement, of boxings carried upon the shaft and. removabletherewith, a clamping plate carried by the platen, and co-actlng meansbetween the boxings and plate for operating the clamping plate when theplaten is tilted or oscillated.

The 'combination with --a typewriting machine, of a platen support, ofaplaten capable of two movements to and from type presentation position,means for clamping an article to the platen as the platen is movedtoward type presentation position and to release the same when moved inthe opposite direction, and a frame connected with the platen supportand provided with an article guide and with a guard to engage thearticle as the platen is moved toward type receiving position, as shownand described.

3. The combination with a typewriting "also carried by the platen, aboxing carried by'the shaft at each end of the platen, and co-actingmeans between the carriage and boxings for removably locking the boxingsto the carriage.

4. The combination with a typew'riting machine, and a carriage, of aplaten, a shaft also carried bythe platen, a boxin carried by. the shaftat each end of the p aten, coact-ing means between the carriage andboxings for removably locking-the boxings to the carriage, a clampingdevice slidably mounted upon the shaft at the end of the platen andcapable-of two movements to and away from the surface of the platen, andcoacting means carried by the clamping device and the boxings foroperating the clamping device as the platen is moved.

5. The combination with a 'typewriting machine, and a carriage,"of alaten, a cushioned elastic surface carried thereby, a shaft also carriedby the platen and projecting beyond the ends thereof, a boxing, carriedupon said shaft at each end of the platen and in which said shaft mayrotate, co-acting means carried by the carriage and boxings forremovably locking the boxings to the carriage, a clampin device slidablymounted upon the shaft etween the platen and the boxings and having itsclamping portion opposed to the platen, and co-acting means carried bythe clamping device and the boxings for operating the clam ing device toclamp articles upon the p aten or release the same.

6. The combination with a typewriting machine, and a carriage, of aplaten, a shaft carried thereby and projecting beyond the ends thereof,a boxing carried upon said shaft beyond the ends of the laten, means tomanually rotate said shaft and platen, co-acting means carried by theboxings and carriage for removably looking the boxings to the carriage,a clamping device slidably mounted'upon the shaft between the ends ofthe platen and the boxings and having its clamping portion 0pposed tothe face of the platen, and co-acting means carried by the clampingdevice and the boxings for limiting the oscillating movement of theshaft and platen and for operating the clamping device.

7. The combination with a typewriting machine, and a carriage capable oftransverse movement, of a platen, a shaft carrying the platen, a boxingcarried near each end of the shaft and exterior of the latch, and inwhich said platen is capable of rotating, and co-acting means carried bythe carriage and boxings for removably locking the boxings to thecarriage. i

8, The combination with a typewriting machine, and a carriage ca able oftransverse movements and provi ed with alined sockets,'of a shaft, aplaten carried by the shaft, a boxing for journaling each end ofthe'shaft and adapted to removably fit in the sockets of the carriage,means for locking theboxings to the carriage, and means for rotatingtheshaft and laten.

9. The combination wit a typewriting machine, of a platen, the bodyportion of which is segmental in cross-section, an article receivingsurface carried upon the curved surface of the body portion, a shaftcarrying the platen, a pair of arms slidably mounted upon the shaft, aclamping plate having an upturned edge slidably mounted upon the lowerfiat surface of the platen and connected to said arms, journal boxingsfor the shaft, and co-acting means between rying said platen, means forsecuring the' shaft in the carriage, a clamping device slidably mountedupon the shaft and having its clamping portion opposed to the cushionedsurface of the platen and capable of two movements to and from saidsurface, the inward movement of the clamping device toward the surfaceat all times being the same, whereby the various thickness of articlesto be marked will cause the cushioned surface to depress. and allow thesurface of the article to receive the type to at all times be in thesame type presentation plane, means for operating the platen, and asingle means for operating the clamping device and limiting themovements of the platen.

In testimony whereof I afiix my signature in presence of two witnesses.

' DAVID PELTON MOORE. Witnesses:

GUY M. SPRING. A. M. PARKINS.

